How many coulombs are required to deposit 6.75 g of potassium from a KCl solution? (Atomic mass of K = 39 g/mol, F = 965
K⁺ + e⁻ → K . 1 mol K (39 g) requires 1F. Moles = (6.75/39) = 0.1731 mol , Charge = 0.1731 × 96500 = 16700 C .
Ref: NCERT Class 12 Chemistry > Chapter 2: Electrochemistry > Topic: Corrosion and Applications of Electrochemistry